[Index] Avoid uncessary array allocations for dependency_names

1 files changed, 8 insertions, 5 deletions

diff --git a/lib/bundler/index.rb b/lib/bundler/index.rb
index 52b9032dda..4fe1418773 100644
--- a/lib/bundler/index.rb
+++ b/lib/bundler/index.rb
@@ -109,15 +109,18 @@ module Bundler
 
     # returns a list of the dependencies
     def unmet_dependency_names
-      names = dependency_names
-      names.delete_if {|n| n == "bundler" }
-      names.select {|n| search(n).empty? }
+      dependency_names.select do |name|
+        name != "bundler" && search(name).empty?
+      end
     end
 
     def dependency_names
       names = []
-      each do |s|
-        names.concat(s.dependencies.select {|d| d.type != :development }.map(&:name))
+      each do |spec|
+        spec.dependencies.each do |dep|
+          next if dep.type == :development
+          names << dep.name
+        end
       end
       names.uniq
     end